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US Patent: 1,437,629
Rheostat
Patentee:
Henry L. Zabriskie - Westfield, NJ

USPTO Classifications:
338/190, 338/202, 338/301

Tool Categories:

Assignees:
Diehl Manufacturing Co. - Elizabeth, NJ

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 20, 1921
Granted: Dec. 05, 1922

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Diehl Manufacturing Co.
Description:
Improvements to patent 1,369,407.

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